What are the signs that a vehicle needs detailed cleaning?

A vehicle typically requires detailed cleaning when there are noticeable indicators that common cleaning activities cannot address. The presence of excess dirt, pet hair, and unpleasant odors suggests that the vehicle has not been cleaned in a while or has accumulated residues from regular use. This level of accumulation can interfere with aesthetics and may lead to unpleasant experiences for occupants. Detailed cleaning is necessary because it involves a more thorough approach, targeting not just the visible dirt but also deep cleaning upholstery, carpets, and surfaces to eliminate odors and allergens.

The other scenarios, while they might indicate the need for some level of cleaning or maintenance, do not reflect the urgent requirement for a detailed clean as clearly as the presence of dirt, hair, and odors does. Minor scratches on a vehicle's surface and fading clear coats are more surface-level cosmetic concerns related to paint and finish rather than cleanliness. Light dust on the dashboard is typical and manageable with regular cleaning, not a signal for detailing. Thus, the evidence of excess dirt, pet hair, and odors clearly indicates a more comprehensive cleaning is necessary.